fern

复数：ferns

1. The fern quickly grew from the earth.
   羊齿很快地从地里长出来。
2. The hillsides are covered with ferns.
   山坡上长满了蕨类植物。
3. We can identify several classes of fern.
   我们可以识别几种蕨类植物。

A fern that hyperaccumulate arsenic
A fern that hyperaccumulates arsenic.
Fern Phylogeny Based on rbcL Nucleotide Sequences
Fern and allied plants, with special reference to tropical America
Erratum: A fern that hyperaccumulates arsenic (Nature (2001) 409 (579))
Enhancement of Fern Spore Germination and Gametophyte Growth in Artificial Media
The Fern Understory as an Ecological Filter: Emergence and Establishment of Canopy-Tree Seedlings
Removal of Copper Ions From Aqueous Solution by Tree Fern
Equilibrium sorption isotherm for metal ions on tree fern
Second-order kinetic model for the sorption of cadmium onto tree fern: A comparison of linear and non-linear methods